OTHER NONINTEREST REVENUE AND EXPENSE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Other noninterest revenue [Abstract]
Annuity fees	$ 635	$ 1,094	$ 1,277	$ 2,390
Brokerage commissions and fees	1,779	1,437	3,217	3,075
Bank-owned life insurance	1,812	2,223	4,425	3,922
Other miscellaneous income	3,438	4,732	7,815	9,415
Total other noninterest income	7,664	9,486	16,734	18,802
Other noninterest income [Abstract]
Advertising	902	1,291	1,743	2,180
Foreclosed property expense	10,212	3,765	18,621	10,847
Telecommunications	2,023	2,036	4,229	4,179
Public relations	1,355	1,554	2,821	3,068
Data processing	2,444	2,365	5,208	4,666
Computer software	1,786	1,899	3,589	3,747
Amortization of intangibles	742	833	1,504	1,687
Legal	981	1,158	3,197	3,756
Postage and shipping	1,033	1,171	2,288	2,468
Other miscellaneous expense	17,762	18,814	36,006	36,169
Total other noninterest expense	$ 39,240	$ 34,886	$ 79,207	$ 72,767